DRILLCO - 3/4,CHATTERLESS COUNTERSINK 90DEG 6 FLUT - 39E148C

Six Flute Chatterless countersinks are designed for fast shearing cuts, minimal chatter and lower vibrations.
most common angles for countersinking available; 60°, 82°, 90°
6 flutes for very fast shearing cuts
higher flute count reduces chip size and chatter